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Multiperson Locating and Their Soft Tracking in a Binary Infrared Sensor Network

机译:二进制红外传感器网络中的多人定位及其软跟踪

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摘要

Low-cost sensor networks for multitarget tracking are increasingly becoming important equipment in many applications. A major problem is that these sensors usually provide only a binary response in each epoch, if a target is present or absent. Efficient approaches for realizing the location and tracking of multiple targets are needed. In this paper, we develop a soft tracking system using an infrared ceiling sensor network and propose a novel algorithm for tracking multiple people. In this system, 43 infrared sensors were attached to the ceiling of an office room (15.0 m 8.5 m). Some pieces of weak evidence such as locations of personal desks, and the moving directions of people, were used for soft tracking. Through experiments, the ability of tracking in different situations was evaluated. The tracking accuracy during a 3 h period was investigated. The results showed that this system was able to track up to eight people simultaneously for hours in an office room. The tracking accuracy was above 90% most of the time, although some identity ambiguities occurred.
机译:用于多目标跟踪的低成本传感器网络在许多应用中正日益成为重要的设备。一个主要问题是,如果目标存在或不存在,这些传感器通常在每个时期仅提供二进制响应。需要用于实现多个目标的定位和跟踪的有效方法。在本文中,我们开发了一种使用红外天花板传感器网络的软跟踪系统,并提出了一种用于跟踪多人的新颖算法。在该系统中,将43个红外传感器安装到办公室房间(15.0 m 8.5 m)的天花板上。一些微弱的证据(例如个人书桌的位置以及人员的移动方向)用于软跟踪。通过实验,评估了在不同情况下的跟踪能力。研究了3小时内的跟踪精度。结果表明,该系统能够在一个办公室中同时追踪多达8个人的几个小时。多数情况下,尽管出现了一些身份歧义,但跟踪准确性仍高于90%。

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